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> Atheriniformes (Silversides) > Bedotiidae (Madagascar rainbowfishes)
Etymology: Bedotia: After Maurice Bedot, 1859-1927; born in Geneva, systematist on Hydrozoan.
More on author: Regan.

Environment: milieu / climate zone / depth range / distribution range Écologie

; eau douce pélagique. Tropical

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Africa: lower reaches of Ivoloina River to at least as far south as Manambolo Creek which drains into the Lakendrano Mpangalana 10 km south of the town of Vatomandry, Madagascar (Ref. 76768). Following translocation to marshes near the village of Mahitsy (just outside of Antananarivo) in the 1950's, at present apparently also widely established in the Betsiboka basin (Ref. 76768).

Taille / Poids / Âge

Maturity: L_m ? range ? - ? cm
Max length : 8.6 cm SL mâle / non sexé; (Ref. 76768)

Inhabits clear, well-shaded streams at altitudes up to 30 meters above sea level; prefers slow-flowing sections; observed in loose, size-graded associations up to several dozen of individuals; juveniles usually found in the shallows, adults frequent deeper waters (Ref. 76768).

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Référence principale Upload your references | Références | Coordinateur | Collaborateurs

Loiselle, P.V. and D. Rodriguez, 2007. A new species of Bedotia (Teleostei: Atherinomorpha: Bedotiidae) from the Rianila drainage of eastern Madagascar, with redescriptions of Bedotia madagascariensis and Bedotia geayi. Zootaxa 1520:1-18. (Ref. 76768)

Statut dans la liste rouge de l'IUCN (Ref. 130435)

Menacé (EN) (B1ab(iii,v)); Date assessed: 22 June 2016

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

Harmless

Utilisations par l'homme

FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).

Niveau trophique (Ref. 69278): 2.6 ±0.3 se; based on size and trophs of closest relatives

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

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Bedotia madagascariensis Regan, 1903